Online scheduling converts website visitors into booked clients. The question is whether to use SaaS tools or build your own. Here is how the options compare.
Platform Comparison
| Feature | Calendly | Cal.com | Custom Build |
|---|---|---|---|
| Pricing | $0-16/user/month | Free (self-hosted) or $12/user | $5K-20K to build |
| Open source | No | Yes (AGPLv3) | Yours |
| Self-hosting | No | Yes | Yes |
| Calendar sync | Google, Outlook, iCloud | Google, Outlook, Apple | Must integrate |
| Booking pages | Branded | Fully customizable | Complete control |
| Team scheduling | Yes (paid) | Yes | Must build |
| Round-robin | Yes (paid) | Yes | Must build |
| Collective scheduling | Yes (paid) | Yes | Must build |
| Payment collection | Stripe, PayPal | Stripe | Any processor |
| Reminders | Email + SMS (paid) | Must build | |
| Embeddable widget | Yes | Yes | Custom |
| API access | Yes (paid) | Yes (open) | Full access |
| White labeling | Enterprise only | Self-hosted | Complete |
| Custom fields | Yes | Yes | Unlimited |
| Workflow automations | Yes (paid) | Yes | Must build |
| Zoom/Meet integration | Yes | Yes | Must integrate |
| CRM integration | Salesforce, HubSpot | Via API | Custom |
| Mobile app | Yes | No | Must build |
When Calendly Wins
- Quick setup: Working in 10 minutes
- Large teams: Sophisticated team features
- Enterprise needs: SOC 2, SCIM, SAML SSO
- Sales teams: CRM integrations and routing
- Non-technical users: Easiest admin interface
When Cal.com Wins
- Budget optimization: Free self-hosted option
- Data ownership: Your servers, your data
- Full customization: Change anything in the source
- Developer teams: API-first, open source
- Privacy requirements: HIPAA compliance (self-hosted)
- Brand consistency: Complete white-labeling
When Custom Wins
- Unique booking logic: Complex rules that SaaS cannot handle
- Deep integration: Booking tied to your core product
- Industry-specific: Medical scheduling, court scheduling
- Multi-location: Complex availability across locations
- Revenue model: Booking is the product (marketplace)
Cost Comparison Over 3 Years (10 Users)
| Solution | Year 1 | Year 2 | Year 3 | Total |
|---|---|---|---|---|
| Calendly Pro | $1,920 | $1,920 | $1,920 | $5,760 |
| Cal.com Cloud | $1,440 | $1,440 | $1,440 | $4,320 |
| Cal.com Self-hosted | $500 (hosting) | $500 | $500 | $1,500 |
| Custom Build | $15,000 | $2,000 (maintenance) | $2,000 | $19,000 |
Our Recommendation
For most service businesses, we embed Cal.com into custom-built websites. It provides the flexibility our clients need while keeping costs low. For businesses with complex scheduling requirements, we build custom booking systems with real-time availability and payment processing integrated into the overall application.
Add online booking to your website.